| Company | Timeline | Status | |
| Tyler Holdings Limited Secretary • Unreported | 5 Feb 1992←3 Months→28 May 1992 | Active | |
| Tyler Projects Limited Secretary • Unreported | 24 Jan 1992←4 Months→28 May 1992 | Active | |
| Tylers Concrete Buildings Limited Secretary • Unreported | 24 Jan 1992←4 Months→28 May 1992 | Dissolved | |
| William Tyler & Co.,Limited Secretary • Unreported | 24 Jan 1992←4 Months→28 May 1992 | Active | |
